AJA used NAB to announce its new Ki Pro Ultra Plus recorder and it also previewed its FS-HDR HDR converter that it’s developed with Colorfront.


Ki Pro Ultra Plus can handle 1, 2, 3 or 4-channel simultaneous HD recording up to 1080 50/60p, and full HDMI 2.0 (up to 12-bit capture and output) for 4K/UltraHD workflows.


It can be used for recording multi-cam shoots in HD multi-channel mode and 4K/UltraHD recording and playback in single-channel mode. Connectivity options including 3G-SDI, HDMI 2.0 and optional fiber connections. It captures 4K/UltraHD and HD video to production codecs including Apple ProRes and Avid DNxHD MXF.


Four channels of HD can be recorded simultaneously as Apple ProRes files, each with different compression profiles. All four channels can be displayed on the LCD screen as a quad-split during capture for monitoring, as well as the ability to output the quad-split over HDMI, SDI, and on the integrated browser-based web UI during capture.


It will be available soon at just under $4k.


The FS-HDR builds on AJA’s FS4 and incorporates HDR technology from Colorfront, FS-HDR provides HDR and Wide Color Gamut (WCG) processing and conversion for real time 4K/UHD and 2K/HD workflows. 


Powered by Colorfront Engine, FS-HDR’s HDR and WCG processing support enables the real time processing of 4K/UltraHD and 2K/HD, including HDR conversions, and 4K/UltraHD HDR downconversion to HD HDR. FS-HDR also enables the conversion of popular camera formats from multiple vendors into the HDR space, plus conversion to-and-from BT.2020/BT.709 as needed.


The converter was being previewed for the first time at NAB.


Here’s the FS-HDR features list from AJA:


— Real time HDR to HDR, HDR to SDR and SDR to HDR conversions including BT.2020 to BT.709 color space conversion.



–> SDR BT.709 100 Nits

–> PQ BT.2020 1000 Nits

–> PQ P3D65 1000 Nits

–> Hybrid Log Gamma BT.2100

–> Sony S-Gamut3/SLog-3

–> ARRI Log C Wide Gamut

–> Panasonic V-Log

–> RED Log3G10 Wide Gamut

–> Canon Log 2



–> SDR BT.709 100 Nits

–> PQ BT.2020 1000 Nits

–> Hybrid Log Gamma BT.2100


— Support for two modes:

–> Single-channel mode for 4K/UltraHD or 2K/HD frame sync and conversion including HDR conversions.

–> Four-channel mode for simultaneous independent 2K/HD/SD channels for standard conversion and frame sync workflows.


— 4K/UltraHD/2K/HD/SD video processing and up, down, cross-conversion.

— A full range of I/O options for 4K/UltraHD including Quad 1.5G; Dual 3G; and Quad 3G, 6G and 12G over a range of SDI and optional fiber choices.

— SMPTE 2SI I/O support for broad compatibility with 4K/UltraHD devices.


— Four-channel 2K/HD/SD video processing and conversion.

–> 4K/UltraHD/2K/HD/SD up, down, cross-conversion.

–> SD/SD aspect ratio conversion.

–> HD/HD cross-conversion (720p/1080i)



Jon Creamer

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